Brazilian kyanite in quartz 13.740ct loose
Sale price¥29,800
Chinese aragonite 36.409ct loose with patch
Sale price¥5,980
Brazilian Trapichea Amethyst 24.772ct loose with patch
Sale price¥6,980
Star garnet 14.600ct loose
Sale price¥11,000
Brazilian Medusa Quartz (Paraiba Quartz) 10.298ct loose
Sale price¥7,980
Kunzite from Afghanistan 26.784ct loose
Sale price¥59,800
![[12/7 22:00] Brazilian Dumortierite in Quartz 16.250ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC052301_931dfc6c-1047-4bdf-821f-203298615d94.jpg?v=1765588004&width=2810)
[12/7 22:00] Brazilian Dumortierite in Quartz 16.250ct Loose Stone
Sale price¥9,800
![[12/14 22:00] Colombian Emerald Rough 11.155ct (with Pyrite)](http://store.karatz.jp/cdn/shop/files/PC031707.jpg?v=1765629166&width=4000)
[12/14 22:00] Colombian Emerald Rough 11.155ct (with Pyrite)
Sale price¥22,800
![[12/6 22:00] Mexican Fire Agate 17.936ct Loose Stone](http://store.karatz.jp/cdn/shop/files/PC021199_98c04cf1-2ef2-44a9-a405-eab37dc46f5e.jpg?v=1766550208&width=4000)
[12/6 22:00] Mexican Fire Agate 17.936ct Loose Stone
Sale price¥49,800
![[12/6 22:00 Sale] Blue Coral (75.469ct) Loose Stone](http://store.karatz.jp/cdn/shop/files/PC021393.jpg?v=1766550634&width=4000)
[12/6 22:00 Sale] Blue Coral (75.469ct) Loose Stone
Sale price¥12,800
Dendritic Agate 31.019ct Ruth Japanese/German
Sale price¥6,980
Mexican cantera opal 15.542ct loose
Sale price¥15,800
![[12/22 22:00] Sri Lankan Star Sapphire 12.679ct Loose](http://store.karatz.jp/cdn/shop/files/PC105162.jpg?v=1766288262&width=4000)
[12/22 22:00] Sri Lankan Star Sapphire 12.679ct Loose
Sale price¥158,000
Yellow opal 17.283ct loose
Sale price¥29,800
![[12/20 22:00 Sale] Colombian Emerald Rough Stone 13.577ct](http://store.karatz.jp/cdn/shop/files/PC031743.jpg?v=1766184426&width=4000)
[12/20 22:00 Sale] Colombian Emerald Rough Stone 13.577ct
Sale price¥18,800
Quartz 96.732ct loose (explosion crystal)
Sale price¥2,980
Hemimorphite 34.490ct loose
Sale price¥55,800
Wood opal 24.319ct loose
Sale price¥45,800
Bicolor tourmaline 22.088ct loose
Sale price¥298,000
[11/27 22:00 Sale] Brazilian Swiss Blue Topaz 13.287ct Loose
Sale price¥18,800
Rose quartz 18.410ct loose (pineapple cut)
Sale price¥5,980
Green quartz 10.330ct loose (pineapple cut)
Sale price¥4,980
[Posted 12543727] Hemimorphite 11.133ct loose
Sale price¥59,800
[Posted 12543725] Hemimorphite 16.864ct loose
Sale price¥79,800
[Posted 12543723] Hemimorphite 64.144ct loose
Sale price¥198,000
Bicolor tanzanite 0.492ct raw stone from Tanzania
Sale price¥6,980
Mexican Cantera Opal 14.690ct Loose
Sale price¥12,800
Australian boulder opal 28.880ct loose
Sale price¥59,800
Australian opal 14.837ct loose
Sale price¥98,000
Hemimorphite 29.778ct loose
Sale price¥79,800
Watermelon tourmaline 44.201ct Ruth Japanese-German book
Sale price¥398,000
Particolor tourmaline 32.207ct loose (tricolor tourmaline)
Sale price¥398,000
Cantera opal 17.284ct loose
Sale price¥29,800
Rutilated Quartz (Rutilated Quartz) 82.385ct Loose Stone, Japan-Germany
Sale price¥29,800
Oligoclase Sunstone 26.660ct rough stone
Sale price¥15,800
Particolor tourmaline 24.147ct loose
Sale price¥49,800
Emerald 15.219ct loose Japanese-German book
Sale price¥298,000
Colombian Euclase 548.00ct rough stone
Sale price¥198,000
Kunzite 50.260ct loose
Sale price¥188,000
Kunzite 37.35ct loose
Sale price¥55,800
Aquamarine 15mm/10.190ct loose
Sale price¥69,800
Aquamarine 68.040ct loose
Sale price¥39,800
Tanzanite 41.690ct loose
Sale price¥2,480,000
Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.
So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.
KARATZ's Initiatives and Social Contributions
We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.
KARATZ Books
These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.
jeweler's tools
For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.